drivers/media/usb/gspca/stv06xx/stv06xx_sensor.h

   1 /* SPDX-License-Identifier: GPL-2.0-or-later */
   2 /*
   3  * Copyright (c) 2001 Jean-Fredric Clere, Nikolas Zimmermann, Georg Acher
   4  *                    Mark Cave-Ayland, Carlo E Prelz, Dick Streefland
   5  * Copyright (c) 2002, 2003 Tuukka Toivonen
   6  * Copyright (c) 2008 Erik Andrén
   7  *
   8  * P/N 861037:      Sensor HDCS1000        ASIC STV0600
   9  * P/N 861050-0010: Sensor HDCS1000        ASIC STV0600
  10  * P/N 861050-0020: Sensor Photobit PB100  ASIC STV0600-1 - QuickCam Express
  11  * P/N 861055:      Sensor ST VV6410       ASIC STV0610   - LEGO cam
  12  * P/N 861075-0040: Sensor HDCS1000        ASIC
  13  * P/N 961179-0700: Sensor ST VV6410       ASIC STV0602   - Dexxa WebCam USB
  14  * P/N 861040-0000: Sensor ST VV6410       ASIC STV0610   - QuickCam Web
  15  */
  16
  17 #ifndef STV06XX_SENSOR_H_
  18 #define STV06XX_SENSOR_H_
  19
  20 #include "stv06xx.h"
  21
  22 #define IS_1020(sd)     ((sd)->sensor == &stv06xx_sensor_hdcs1020)
  23
  24 extern const struct stv06xx_sensor stv06xx_sensor_vv6410;
  25 extern const struct stv06xx_sensor stv06xx_sensor_hdcs1x00;
  26 extern const struct stv06xx_sensor stv06xx_sensor_hdcs1020;
  27 extern const struct stv06xx_sensor stv06xx_sensor_pb0100;
  28 extern const struct stv06xx_sensor stv06xx_sensor_st6422;
  29
  30 struct stv06xx_sensor {
  31         /* Defines the name of a sensor */
  32         char name[32];
  33
  34         /* Sensor i2c address */
  35         u8 i2c_addr;
  36
  37         /* Flush value*/
  38         u8 i2c_flush;
  39
  40         /* length of an i2c word */
  41         u8 i2c_len;
  42
  43         /* Isoc packet size (per mode) */
  44         int min_packet_size[4];
  45         int max_packet_size[4];
  46
  47         /* Probes if the sensor is connected */
  48         int (*probe)(struct sd *sd);
  49
  50         /* Performs a initialization sequence */
  51         int (*init)(struct sd *sd);
  52
  53         /* Initializes the controls */
  54         int (*init_controls)(struct sd *sd);
  55
  56         /* Reads a sensor register */
  57         int (*read_sensor)(struct sd *sd, const u8 address,
  58               u8 *i2c_data, const u8 len);
  59
  60         /* Writes to a sensor register */
  61         int (*write_sensor)(struct sd *sd, const u8 address,
  62               u8 *i2c_data, const u8 len);
  63
  64         /* Instructs the sensor to start streaming */
  65         int (*start)(struct sd *sd);
  66
  67         /* Instructs the sensor to stop streaming */
  68         int (*stop)(struct sd *sd);
  69
  70         /* Instructs the sensor to dump all its contents */
  71         int (*dump)(struct sd *sd);
  72 };
  73
  74 #endif